Home / 4,399.70-6,599.53-1,112.80

Finding the Fourth Proportional to 4,399.70, 6,599.53 and 1,112.80

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Solution

The fourth proportional to 4,399.70, 6,599.53 and 1,112.80 is: 1,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.70 : 6,599.53 = 1,112.80 : x
  2. Step 2: Convert to fraction form
    4,399.70/6,599.53 = 1,112.80/x
  3. Step 3: Cross multiply
    4,399.70x = 6,599.53 × 1,112.80
  4. Step 4: Simplify right side
    4,399.70x = 7,343,956.98
  5. Step 5: Solve for x
    x = 7,343,956.98/4,399.70
  6. Step 6: Final answer
    x = 1,669.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.